Yes, but try not to eat on an empty stomach and try not to exceed two bananas a day. Banana: It is rich in dietary fiber, vitamin A and potassium, and has great effects of moistening intestines, strengthening tendons, diuresis and relaxing bowels. Apple: rich in pectin, it can help the intestine combine with toxins, accelerate detoxification and reduce calorie absorption, thus achieving the effect of losing weight.